EP1464758B1 - Guard rail for traffic lanes - Google Patents

Guard rail for traffic lanes Download PDF

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Publication number
EP1464758B1
EP1464758B1 EP04356036A EP04356036A EP1464758B1 EP 1464758 B1 EP1464758 B1 EP 1464758B1 EP 04356036 A EP04356036 A EP 04356036A EP 04356036 A EP04356036 A EP 04356036A EP 1464758 B1 EP1464758 B1 EP 1464758B1
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EP
European Patent Office
Prior art keywords
guardrail
assembly
holes
parts
openings
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Expired - Lifetime
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EP04356036A
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German (de)
French (fr)
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EP1464758A1 (en
Inventor
Henry Schalk
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Profil R SAS
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Profil R SAS
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0407—Metal rails
    • E01F15/0423—Details of rails

Definitions

  • the invention relates to the metal rail or slats that has the guardrail and intended (s) to dampen shocks every time a vehicle taps on this or these last (s), avoiding the vehicle, in the wherever possible, to cross the traffic lane.
  • the heddles are coupled together in a linear manner at their overlapping end.
  • the ends of the stringers have holes or lumens for the passage of assembly members allowing, on the one hand, the coupling of a bar with an adjacent bar and, on the other hand, the coupling on support posts in combination or not with spacers.
  • the assembly members are constituted by a system of bolts and nuts housed through the holes that have the different smooth. It is thus the tightening of these nuts and these bolts which ensures the connection of the different smooth between them (see for example US 6290427 B1 or FR 2607841 A ).
  • the object of the invention is to remedy these disadvantages in a simple, safe, effective and rational manner.
  • the problem to be solved by the invention is to increase the resistance to the connection of the rails together, without increasing the number of assembly members.
  • each smooth has, at the holes and / or passage openings of the assembly members and, at least on the side of the overlapped portions and in contact in front of assemblies, deformation-type arrangements capable of increasing the coefficient of friction to limit any sliding effect at the assembly parts, in case of shocks.
  • the deformations-type arrangements consist of recessed and raised portions able to be nested after assembly.
  • the recessed and raised portions are constituted by a grooved or striated surface.
  • the grooves or grooves are formed substantially perpendicular to the longitudinal axis of the rails.
  • the invention finds a particularly advantageous application in the case of metal rails having, in a manner perfectly known to those skilled in the art, a cross section delimiting a central core with, on both sides, and in a symmetrical manner. , a section profile determined.
  • FIG. 1 illustrates a safety guard resulting, in a perfectly known manner, from a linear assembly of several healds.
  • the various heddles (1) are coupled together at their overlapped ends by means of assembly members (0) engaged through holes or openings formed in an emergent way in the thickness of the ends of the different smooth.
  • the healds are assembled at their coupling zone, on a support pole (P) in combination or not with spacers (E).
  • each profile (B) has a part rectilinear outer plane (B1) and a plane inner rectilinear part (B2), said parts being connected by a rounded area (B3).
  • the straight and flat portions (B1) are symmetrical and connected to the central core (A) for rounded areas (A1) and (A2).
  • the various flat portions (B1) - (B2) and the rounded profile (B3) have, at each of the ends of the rails considered, through holes (1a), for the engagement of the assembly members (O) adapted to ensure the coupling, in linear position, of several smooth after is brought into contact with the ends of two adjacent smooth.
  • the assembly members (O) consist of bolts (2) and nuts (3).
  • the coupling of the rails on the support posts (P), in combination or not with the spacers (E), is performed by means of assembly members which may be identical to those ensuring the coupling of the rails between they.
  • These assembly members are engaged in a slot (1b) formed in a manner emerging in the thickness of the central core (A).
  • each end of a smooth has a parallel series of 4 aligned holes (1a), the slots (1b) being arranged in the axis of symmetry of the two sets of holes.
  • each of the ends of the slats considered has, at the level of the holes (1a) and the openings (1b) through which the assembly members (O) pass, on the side of the overlapping parts. and in contact to be assembled, arrangement (1c) of the deformation type capable of increasing the coefficient of friction to limit any sliding effect at the assembly parts.
  • these deformations-type arrangements are constituted by recessed and raised parts (1c) able to be nested after assembly.
  • These recessed and raised parts (1c) are constituted by a grooved or striated surface whose grooves or grooves are formed substantially perpendicular to the longitudinal axis (x - x ') of the rail. Reference is made in particular to FIGS. 3 and 5.
  • the various grooves (1c), under the indicated conditions are formed, for some smooth, from their external face (figures 2 and 3), and for other smooth, from their inner face (Figures 4 and 5).
  • the connecting members and the corresponding holes generally located on the flat faces (1) and (2) of the profiles (B) can be deleted.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Window Of Vehicle (AREA)
  • Vehicle Body Suspensions (AREA)
  • Road Paving Structures (AREA)
  • Panels For Use In Building Construction (AREA)

Abstract

The concrete rail has ends including groove arrangements (1c) on the side of assembling parts at a level of holes (1a) and/or openings (1b) for passage of assembling units (O). The arrangements are constituted by hollow and striated parts to be overlapped after assembling and by a grooved or striated surface. The grooves are formed perpendicularly to longitudinal axis of the concrete rail.

Description

Plus particulièrement, l'invention concerne la ou les lisses métalliques que présente la glissière de sécurité et destinée(s) à amortir les chocs chaque fois qu'un véhicule tape sur cette ou ces dernière(s), en évitant au véhicule, dans la mesure du possible, de franchir la voie de circulation.More particularly, the invention relates to the metal rail or slats that has the guardrail and intended (s) to dampen shocks every time a vehicle taps on this or these last (s), avoiding the vehicle, in the wherever possible, to cross the traffic lane.

D'une manière parfaitement connue pour un homme du métier, les lisses sont accouplées entre elles, d'une manière linéaire, au niveau de leur extrémité disposées en chevauchement. A ce niveau, les extrémités des lisses présentent des trous ou lumières pour le passage d'organes d'assemblage permettant, d'une part, l'accouplement d'une lisse avec une lisse adjacente et, d'autre part, l'accouplement sur des poteaux support en combinaison ou non avec des écarteurs. Le plus souvent, les organes d'assemblage sont constitués par un système de boulons et d'écrous logés à travers les trous que présentent les différentes lisses. C'est donc le serrage de ces écrous et de ces boulons qui assure la liaison des différentes lisses entre elles (voir par exemple US 6290427 B1 ou FR 2607841 A ).In a manner well known to those skilled in the art, the heddles are coupled together in a linear manner at their overlapping end. At this level, the ends of the stringers have holes or lumens for the passage of assembly members allowing, on the one hand, the coupling of a bar with an adjacent bar and, on the other hand, the coupling on support posts in combination or not with spacers. Most often, the assembly members are constituted by a system of bolts and nuts housed through the holes that have the different smooth. It is thus the tightening of these nuts and these bolts which ensures the connection of the different smooth between them (see for example US 6290427 B1 or FR 2607841 A ).

Il est apparu que, sous l'effet de chocs sur la glissière, les zones d'accouplement et d'assemblage des différentes lisses, sont soumises à un effort de traction important qui se traduit par un glissement des lisses entre elles, susceptible de provoquer l'arrachement des boulons d'assemblage (voir par exemple US 4330106 A ).It has been found that, under the effect of shocks on the slide, the coupling and assembly zones of the different rails are subjected to a large tensile force which results in a sliding of the rails between them, which can cause the tearing of the assembly bolts (see for example US 4330106 A ).

Il est donc apparu important de limiter ce phénomène de glissement.It therefore seemed important to limit this slip phenomenon.

Dans ce but, selon l'état de la technique, il est d'usage de multiplier le nombre de boulons pour obtenir un meilleur serrage au niveau des extrémités en chevauchement et en contact des lisses entre elles.For this purpose, according to the state of the art, it is customary to multiply the number of bolts to obtain a better tightening at the ends overlapping and in contact with the rails together.

Le fait d'augmenter le nombre de boulons d'assemblage pour augmenter l'effort de serrage et diminuer le phénomène de glissement et d'arrachement, ne peut cependant être considéré comme une solution satisfaisante, étant donné qu'elle augmente, par exemple, d'une manière non négligeable, le temps de montage sur le chantier, sans parler de l'augmentation des coûts résultant du nombre élevé de boulons d'assemblage.The fact of increasing the number of assembly bolts to increase the clamping force and reduce the phenomenon of sliding and tearing can not, however, be considered as a satisfactory solution, since it increases, for example, in a significant way, the assembly time on site, not to mention the increase in costs resulting from the high number of assembly bolts.

L'invention s'est fixée pour but de remédier à ces inconvénients, de manière simple, sûre, efficace et rationnelle.The object of the invention is to remedy these disadvantages in a simple, safe, effective and rational manner.

Le problème que se propose de résoudre l'invention est d'augmenter la résistance à la liaison des lisses entre elles, sans pour autant augmenter le nombre d'organes d'assemblage.The problem to be solved by the invention is to increase the resistance to the connection of the rails together, without increasing the number of assembly members.

Pour résoudre un tel problème, selon une caractéristique à la base de l'invention, chaque lisse présente, au niveau des trous et/ou ouvertures de passage des organes d'assemblage et, au moins du côté des parties en chevauchement et en contact devant être assemblées, des agencements du type déformation aptes à augmenter le coefficient de frottement pour limiter tout effet de glissement au niveau des parties d'assemblage, en cas de chocs.To solve such a problem, according to a feature underlying the invention, each smooth has, at the holes and / or passage openings of the assembly members and, at least on the side of the overlapped portions and in contact in front of assemblies, deformation-type arrangements capable of increasing the coefficient of friction to limit any sliding effect at the assembly parts, in case of shocks.

Pour résoudre le problème posé de limiter le glissement des lisses, au niveau de leur zone de chevauchement et d'assemblage, les agencements du type déformations sont constitués par des parties en creux et en reliefs aptes à être imbriquées après assemblage.In order to solve the problem posed of limiting the sliding of the heddles, in their region of overlap and assembly, the deformations-type arrangements consist of recessed and raised portions able to be nested after assembly.

Avantageusement, les parties en creux et en relief sont constituées par une surface rainurée ou striée. Les rainures ou stries sont formées sensiblement perpendiculairement à l'axe longitudinal des lisses.Advantageously, the recessed and raised portions are constituted by a grooved or striated surface. The grooves or grooves are formed substantially perpendicular to the longitudinal axis of the rails.

L'invention trouve une application particulièrement avantageuse dans le cas de lisses métalliques présentant, d'une manière parfaitement connue pour un homme du métier, une section transversale délimitant une âme centrale avec, de part et d'autre, et d'une manière symétrique, un profil de section déterminée.The invention finds a particularly advantageous application in the case of metal rails having, in a manner perfectly known to those skilled in the art, a cross section delimiting a central core with, on both sides, and in a symmetrical manner. , a section profile determined.

A titre d'exemple indicatif nullement limitatif, on peut citer les glissières connues sous le nom de GSA, GSB, ....By way of indicative example that is in no way limitative, mention may be made of the slides known under the name of GSA, GSB, ....

Ainsi, compte tenu des caractéristiques à la base de l'invention, selon l'état de la technique, il est usuel d'utiliser huit boulons de caractéristiques déterminées, alors que, selon l'invention, quatre boulons sont seulement nécessaires.Thus, given the characteristics underlying the invention, according to the state of the art, it is customary to use eight bolts of specific characteristics, while according to the invention, four bolts are only necessary.

L'invention est exposée ci-après plus en détail à l'aide des figures des dessins annexés dans lesquels :

  • la figure 1 est une vue en perspective d'une glissière de sécurité composée de lisses selon les caractéristiques de l'invention ;
  • la figure 2 est une vue en coupe transversale de la lisse montrant la formation des rainures, du côté de sa face externe, au niveau de la zone de chevauchement et d'assemblage ;
  • la figure 3 est une vue de dessus correspondant à la figure 2 ;
  • la figure 4 est une vue semblable à la figure 2 montrant la formation des rainures au niveau du côté de la face interne de la lisse ;
  • la figure 5 est une vue de dessus correspondant à la figure 4 ;
  • la figure 6 est, à une échelle plus importante, une vue partielle de la zone de contact des rainures après assemblage des parties en chevauchement de deux lisses adjacentes.
The invention is described below in more detail with reference to the figures of the accompanying drawings, in which:
  • Figure 1 is a perspective view of a guardrail made of smooth according to the features of the invention;
  • Figure 2 is a cross-sectional view of the bar showing the formation of the grooves, on the side of its outer face, at the level of the overlap and assembly area;
  • Figure 3 is a top view corresponding to Figure 2;
  • Figure 4 is a view similar to Figure 2 showing the formation of grooves at the side of the inner face of the bar;
  • Figure 5 is a top view corresponding to Figure 4;
  • Figure 6 is, on a larger scale, a partial view of the contact area of the grooves after assembly of the overlapping portions of two adjacent smooth.

On a illustré à la figure 1 une glissière de sécurité résultant, d'une manière parfaitement connue, d'un assemblage linéaire de plusieurs lisses. Les différentes lisses (1) sont accouplées entre elles, au niveau de leurs extrémités disposées en chevauchement, au moyen d'organes d'assemblage (0) engagés au travers de trous ou d'ouvertures formées, d'une manière débouchante, dans l'épaisseur des extrémités des différentes lisses. Les lisses sont assemblées au niveau de leur zone d'accouplement, sur un poteau support (P) en combinaison ou non avec des écarteurs (E).FIG. 1 illustrates a safety guard resulting, in a perfectly known manner, from a linear assembly of several healds. The various heddles (1) are coupled together at their overlapped ends by means of assembly members (0) engaged through holes or openings formed in an emergent way in the thickness of the ends of the different smooth. The healds are assembled at their coupling zone, on a support pole (P) in combination or not with spacers (E).

Comme indiqué dans la partie introductive de la description, l'invention trouve une application particulièrement avantageuse pour tout type de lisses métalliques telles que celles connues par l'homme du métier sous le nom de GSA, GSB, ... Ce type de lisses présente une section transversale délimitant une âme centrale (A) avec, de part et d'autre, d'une manière symétrique, un profil (B) formant onde, prolongé par une aile divergente (C). Plus particulièrement, chaque profil (B) présente une partie rectiligne externe plane (B1) et une partie rectiligne interne plane (B2), lesdites parties étant raccordées par une zone arrondie (B3). Les parties rectilignes et planes (B1) sont symétriques et raccordées à l'âme centrale (A) pour des zones arrondies (A1) et (A2). Ces caractéristiques structurelles de la lisse en tant que telle, sont parfaitement connues pour l'homme du métier et sont données à titre indicatif nullement limitatif.As indicated in the introductory part of the description, the invention finds a particularly advantageous application for any type of metal smooth such as those known to those skilled in the art under the name of GSA, GSB, ... This type of smooth present a cross section defining a central core (A) with, on either side, in a symmetrical manner, a profile (B) forming a wave, extended by a divergent wing (C). More particularly, each profile (B) has a part rectilinear outer plane (B1) and a plane inner rectilinear part (B2), said parts being connected by a rounded area (B3). The straight and flat portions (B1) are symmetrical and connected to the central core (A) for rounded areas (A1) and (A2). These structural features of the bar as such are well known to those skilled in the art and are indicative and in no way limitative.

Les différentes parties planes (B1) - (B2) et le profil arrondi (B3), présentent, au niveau de chacune des extrémités des lisses considérées, des trous débouchants (1a), pour l'engagement des organes d'assemblage (O) aptes à assurer l'accouplement, en position linéaire, de plusieurs lisses après est mise en contact des extrémités de deux lisses adjacentes. Par exemple, les organes d'assemblage (O) sont constitués par des boulons (2) et écrous (3). L'accouplement des lisses sur les poteaux support (P), en combinaison ou non avec les écarteurs (E), s'effectue par l'intermédiaire d'organes d'assemblage qui peuvent être identiques à ceux assurant l'accouplement des lisses entre elles. Ces organes d'assemblage sont engagés dans une lumière (1b) formée d'une manière débouchante dans l'épaisseur de l'âme centrale (A). Par exemple, d'une manière classique, chacune des extrémités d'une lisse présente une série parallèle de 4 trous alignés (1a), les lumières (1b) étant disposées dans l'axe de symétrie des deux séries de trous.The various flat portions (B1) - (B2) and the rounded profile (B3) have, at each of the ends of the rails considered, through holes (1a), for the engagement of the assembly members (O) adapted to ensure the coupling, in linear position, of several smooth after is brought into contact with the ends of two adjacent smooth. For example, the assembly members (O) consist of bolts (2) and nuts (3). The coupling of the rails on the support posts (P), in combination or not with the spacers (E), is performed by means of assembly members which may be identical to those ensuring the coupling of the rails between they. These assembly members are engaged in a slot (1b) formed in a manner emerging in the thickness of the central core (A). For example, in a conventional manner, each end of a smooth has a parallel series of 4 aligned holes (1a), the slots (1b) being arranged in the axis of symmetry of the two sets of holes.

Selon une caractéristique essentielle à la base de l'invention, chacune des extrémités des lisses considérées présente, au niveau des trous (1a) et des ouvertures (1b) de passage des organes d'assemblage (O), du côté des parties en chevauchement et en contact devant être assemblés, des agencement (1c) du type déformations aptes à augmenter le coefficient de frottement pour limiter tout effet de glissement au niveau des parties d'assemblage.According to an essential characteristic of the base of the invention, each of the ends of the slats considered has, at the level of the holes (1a) and the openings (1b) through which the assembly members (O) pass, on the side of the overlapping parts. and in contact to be assembled, arrangement (1c) of the deformation type capable of increasing the coefficient of friction to limit any sliding effect at the assembly parts.

Comme le montrent les figures des dessins, ces agencements du type déformations sont constitués par des parties en creux et en relief (1c) aptes à être imbriquées après assemblage. Ces parties en creux et en relief (1c) sont constituées par une surface rainurée ou striée dont les rainures ou stries sont formées sensiblement perpendiculairement à l'axe longitudinal (x - x') de la lisse. On renvoie notamment aux figures 3 et 5.As shown in the figures of the drawings, these deformations-type arrangements are constituted by recessed and raised parts (1c) able to be nested after assembly. These recessed and raised parts (1c) are constituted by a grooved or striated surface whose grooves or grooves are formed substantially perpendicular to the longitudinal axis (x - x ') of the rail. Reference is made in particular to FIGS. 3 and 5.

Compte tenu de ces dispositions, il en résulte qu'après chevauchement des extrémités de deux lisses adjacentes, sous l'effet de serrage des organes de serrage (O), les différentes rainures sont imbriquées de manière à assurer un effet d'ancrage apte à interdire, ou à tout le moins de limiter de manière significative, le phénomène de glissement de deux lisses adjacentes sous l'effet d'un choc.Given these provisions, it follows that after overlapping the ends of two adjacent smooth, under the clamping effect of the clamping members (O), the different grooves are interlocked so as to provide an anchoring effect suitable for prohibit, or at least significantly limit, the phenomenon of sliding two adjacent smooth under the effect of a shock.

Ces différentes rainures sont obtenues par tout moyen connu et approprié au moment de la fabrication du profilage des lisses métalliques (1).These different grooves are obtained by any known and appropriate means at the time of the manufacture of the profiling metal smooth (1).

Compte tenu de l'assemblage des lisses par chevauchement et mise en contact de leur extrémité, les différentes rainures (1c), dans les conditions indiquées, sont formées, pour certaines lisses, à partir de leur face externe (figures 2 et 3), et pour d'autres lisses, à partir de leur face interne (figures 4 et 5).Taking into account the assembly of the heddles by overlapping and putting in contact of their end, the various grooves (1c), under the indicated conditions, are formed, for some smooth, from their external face (figures 2 and 3), and for other smooth, from their inner face (Figures 4 and 5).

Si l'on considère l'augmentation de la résistance à la liaison des lisses obtenue selon les caractéristiques de l'invention, il est possible de diminuer le nombre de boulons nécessaires à l'assemblage. Par exemple, les organes d'assemblage et les trous correspondants situés généralement sur les faces planes (1) et (2) des profils (B) peuvent être supprimées.If one considers the increase of the resistance to the binding of the smooth obtained according to the characteristics of the invention, it is possible to reduce the number of bolts required for assembly. For example, the connecting members and the corresponding holes generally located on the flat faces (1) and (2) of the profiles (B) can be deleted.

Les avantages ressortent bien de la description.The advantages are apparent from the description.

Claims (5)

  1. A guardrail for a crash barrier for a vehicular traffic lane, the ends of which have holes (1a) and/or openings (1b) for fasteners (O) used for linear coupling firstly to an adjacent guardrail by partial overlapping of its ends and secondly to support posts (P) in combination or not in combination with spacers (E),
    characterised in that it has, in the area of holes (1a) and/or openings (1b) for fasteners (O) and on at least the same side as the overlapping parts that are in contact and are to be joined together, features (1c) of the deformable type capable of increasing the coefficient of friction in order to limit any slipping effect at the level of the assembly components in the event of impact.
  2. A guardrail as claimed in claim 1, characterised in that the features of the deformable type consist of convex and concave parts (1c) capable of being nested after assembly.
  3. A guardrail as claimed in claim 2, characterised in that the concave and convex parts (1c) consist of a grooved or striated surface.
  4. A guardrail as claimed in claim 3, characterised in that the grooves or striations (1c) are formed substantially at right angles to the longitudinal axis.
  5. A guardrail as claimed in claim 1, characterised in that it is metallic and has, in a known manner, a cross-section that delimits a central web with a predetermined symmetrical cross-section profile either side.
EP04356036A 2003-03-31 2004-03-16 Guard rail for traffic lanes Expired - Lifetime EP1464758B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0304116A FR2852980B1 (en) 2003-03-31 2003-03-31 SMOOTH FOR SAFETY SLIDER FOR CIRCULATION PATH
FR0304116 2003-03-31

Publications (2)

Publication Number Publication Date
EP1464758A1 EP1464758A1 (en) 2004-10-06
EP1464758B1 true EP1464758B1 (en) 2007-06-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04356036A Expired - Lifetime EP1464758B1 (en) 2003-03-31 2004-03-16 Guard rail for traffic lanes

Country Status (4)

Country Link
EP (1) EP1464758B1 (en)
AT (1) ATE365248T1 (en)
DE (1) DE602004007058D1 (en)
FR (1) FR2852980B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330106A (en) * 1979-05-02 1982-05-18 Chisholm Douglas B Guard rail construction
FR2607841B1 (en) * 1986-12-09 1989-02-17 Profilafroid Sa ROAD SAFETY SLIDE
US6290427B1 (en) * 1999-02-16 2001-09-18 Carlos M. Ochoa Guardrail beam with enhanced stability

Also Published As

Publication number Publication date
FR2852980A1 (en) 2004-10-01
FR2852980B1 (en) 2005-06-24
ATE365248T1 (en) 2007-07-15
EP1464758A1 (en) 2004-10-06
DE602004007058D1 (en) 2007-08-02

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